Non-skid device



L. L. KELLOGG. NON-SKID DEVICE. APPLICATION HLED MAR. 4.1919.

"Patented May 4', 1920.

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casing. Furthermore, as will be seen, the

traction elements will be centered upon thetire casing so that-the bodies 12 of said ele--' nients will overlie the tread of the casing. Consequently, the flanges 1.41: and of the traction elements will be brought directly into contact:;With the road surface. flanges 14 will provide a firm purchase ,for the Wheelso as to-prevent spinning thereof when power is applied to the Wheel While the flanges 15 Will coact with the road sur face for preventing side slipping oi the Wheel'in. either direction. accordingly provide apartleularly etfectlve device for the purpose set forth while, at the same v time, the device is characterized by structural simplicity. In order that Wheels andv tire casings of different sizes may be fitted avith the device the dimensions of the traotion elements may, of cours. be varied as Well as the length of the securing chains therefor.

' With reference to Fig. 1 it will be notedthat the flanges 15 have the outer sides curved longitudinally for presenting a "rounded surface to the'groun d during the rotation of. the Wheel. In. presenting the rounded surface to theground rotation of The 1 the Wheel breaking down of the flanges is preventedand excessive 'Wear on the same is also prevented.

Having thus described the invention, what faces to the ground, said flanges 'being corrugated transversely, and means to secure said tread sectlons 1n position.

2. An antiskid device including a plural-ity' of transversely curved tread section's arranged in annular formation, each tread section being provided with a pair of arcuate incisions thereby forming pair'soffianges having their outer sides curved longitudinally, said. flanges being extended upwardly transversely, and means sections in position In testimony whereof I m signature.

- LEWIS L. KELLOGLX. [L. sf

from said tread sections and corrugated;

to secure said tread 

